Rename "roles" to "units". Put units in their own folders.

lib/units/device/plugins/logger.js

@@ -0,0 +1,27 @@
+var syrup = require('syrup')
+
+var logger = require('../../../util/logger')
+var wire = require('../../../wire')
+var wireutil = require('../../../wire/util')
+
+module.exports = syrup.serial()
+  .dependency(require('../support/push'))
+  .define(function(options, push) {
+    // Forward all logs
+    logger.on('entry', function(entry) {
+      push.send([
+        wireutil.global
+      , wireutil.envelope(new wire.DeviceLogMessage(
+          options.serial
+        , entry.timestamp / 1000
+        , entry.priority
+        , entry.tag
+        , entry.pid
+        , entry.message
+        , entry.identifier
+        ))
+      ])
+    })
+
+    return logger
+  })